1、[Reliable quality and safety guarantee] Heavy-duty hooks are made of high-quality stainless steel (galvanized), suitable for children and adults and all other living areas. The load capacity exceeds 400 kg, which is sufficient to meet the safety requirements of various applications. 2、[Easy to install] First prepare two pre-drilled holes for screwing into wooden beams or concrete. 3、[Package List] Included: 1 ceiling bracket, 4 metal pins (only for screws and pins for concrete), 1 carabiner. 4、[Wide applications] For indoor and outdoor use, this bracket can be used for: hanging chairs, chandeliers, swings, hammocks, sandbags, slings, yoga towels, sun sails, slings, hanging chairs, hanging holes, hanging chairs, etc. . 5、[Note] Only use the supplied fastening materials to fix it on the concrete ceiling. Do not connect with gypsum board ceiling, mud wall or other soft building materials.